四級考試選詞填空訓練題(一)

　　Which of the two energy sources you use depends on the intensity and 52 of your activity. The higher the intensity, the more your body will pull from the stored carbohydrates. The lower the intensity, the more your body will 53 on fat as its fuel.

　　Aerobic exercise is most 54 for weight loss. When you perform aerobic activities you 55 contract large muscle groups such as your legs and arms. Walking, running, rollerblading, swimming, dancing, and jumping jacks are all forms of aerobic activity.

　　Surprisingly, if your aerobic activity is low to moderately intense and of long duration, you will burn more fat than if you had 56 in a short burst of high-intensity exercise. In short, a brisk 30-minute walk will burn fat while a 100-yard sprint will burn glycogen.

　　[A] positive[B] additional[C] duration[D] effectivee[E] shed [F] physical

　　[G] food [H] functions [I] participated [J] rely [K] cut [L] repeatedly

　　[M] uses [N] little [O] obvious

　　四級考試選詞填空訓練題答案

　　47. E 該空需填入動詞原形，結合原意“和大多數(shù)美國人一梯狀，你(的體重)可能也有幾磅需要________”可知，E(去除)最符合文意。

　　48. F 結合常識和下文可知，F(xiàn)最符合文意。

　　49. A 結合句意“令人驚奇的是，為了看到長期________效果你不必節(jié)食或常去健身館”，可知空格處需填一形容詞，初選后留下A、D。由于下文只是講到運動會幫助減肥，但并未說明它的效果明顯，所以此處宜選用意思上更寬泛的positive(正面的，有效的)。

　　50. H 下文舉例的breathing, blood circulation and digestion都是人體的基本功能，且其后的functioning已給出了提示，故H最符合文意。

　　51. B 該空需填入形容詞，結合常識和句意“任何時候只要你活動，你都需要________能量”來看選項，B(額外的)符合文意。

　　52. C 該句句意為“采用這兩種能量消耗來源中的哪一種取決于你活動的強度和________”，結合下文提到的...low to moderately intense and of long duration...可知C最符合文意。

　　53. J 結合句意“(活動的)強度越低，身體越________于脂肪作為其燃料”，該空應填入能和on搭配的動詞，J最符合文意。

　　54. D 結合常識可知，有氧運動是最有效的減肥方式，選項中D最符合文意。

　　55. L 該空需填入副詞，選項中只有L和N可作副詞，由下文提到的walking, running, swimming, dancing, and jumping等可推知在這些有氧運動中四肢的活動是反復的，故排除N。

　　56. I 該空需填入動詞的過去分詞，結合句意“如果你已經(jīng)________高強度、爆發(fā)性的運動，你會燃燒更多的脂肪”可知I最符合文意。

　　四級考試選詞填空訓練題(二)

　　A sunflower is a sunflower. A mobile phone is a mobile phone. But can you 47 the two to do something for your local 48 ?

　　It may well be possible. When you have finished with your mobile phone you will be able to 49 it in the garden or a plant pot and wait for it to flower.

　　50 , a biodegradable (生物可降解的)mobile phone was introduced by scientists. It is hoped that the new type of phone will encourage 51 to recycle.

　　Scientists have come up with a new material over the last five years. It looks like any other 52 and can be hard or soft. and able to change shape. Overtime it can also break down into the soil without giving out any toxic 53 . British researchers used the new material to develop a phone cover that contains a sunflower seed. When this new type of cover turns into waste, it 54 nitrates(硝酸鹽). These feed the seed and help the flower grow.

　　Engineers have designed a small 55 window to hold the seed. They have made sure it only grows when the phone is thrown away.

　　"We've only put sunflower seeds into the covers so far. But we are working with plant 56 to find out which flowers would perform best. Maybe we could put roses in next time," said one scientist.

　　[A] Recently [B] consumer [C] chemical [D] environment [E] combine

　　[F] transparent [G] buy [H] companion [I] experts [J] forms [K] bury

　　[L] paper [M] paper [N] plastic [O] Usually

　　四級考試選詞填空訓練題答案

　　47. E 該空應填入動詞原形，選項中只有E、G和K是動詞原形。文章前兩句點明兩者是截然不同的東西，這里用but一轉，講能不能把兩者結合起來，E最符合文章。

　　48. D 本題需通讀下文，對整篇文章有所了解才能得出答案。由下文的相關信息詞biodegradable (生物可降解的)，recycle(回收)等可知D最符合文意。

　　49. K 該名前半句講手機報廢，所以極可能是把廢棄的手機扔進或埋進花園，動詞原形的E. G. K中，K最符合文意。

　　50. A 分析空格所在句的句子結構，空格處應充當狀語成分且需大寫，結合詞義，選項中A符合文意。

　　51. B 結合句意“這種新型手機有望激勵________進行回收利用”可推知此空應填入表示人的名詞，故B最符合文意。

　　52. N 前句提到科學家開發(fā)了一種新材料，接著談到這種新材料像其他________一樣容易塑形，這正是塑料的特性，故選N。

　　53. C 空格所在句意為“隨著時間的流逝，它也能分解到土壤里，而且不會釋放出任何有毒的__ ______”，分解多半與化學有關，所以空格處應填入chemicals(化學物質)。

　　54. J 該空需填入第三人稱單數(shù)的動詞形式，選項中只有J符合文意。

　　55. F 該空需填入一個形容詞，選項中只有F和O是形容詞，F(xiàn)(透明的)符合文意。因為只有透明的才方便工程師觀察，才有下面的make sure一說。

　　56. I 由句意“但我們(工程師)現(xiàn)在正和植物________合作…”可知，空格處應選表一類人的名詞，且用可數(shù)形式，B、I中I符合文意。

四級考試選詞填空訓練題附答案解析相關